DXF格式是一种开源的CAD文件格式,如何实现Java代码对齐的解析,在网上找了很久,也没有找到非常成熟的库。很奇怪,开源的格式,正常应该会有很多的库来支持。只找到了一个kabeja库,最新版本还是2008年出的0.4版本,而且官网还是提供jar和exe运行文件的支持方式。在研究它的过程中遇到了一些问题,这里记录下来,希望大家少踩一些坑吧。
下载依赖
- 在https://kabeja.sourceforge.net/index.html下载对应的包就可以
- 下载完成后,解压缩,找到lib文件夹下的kabeja-0.4.jar,它是核心包,如果需要其他模块,也可以引入其他的包

- 将这个jar包打入本地Maven仓库
mvn install:install-file -Dfile=E:\temp\lib\kabeja-0.4.jar -DgroupId=org.kabeja -DartifactId=kabeja -Dversion=0.4 -Dpackaging=jar
- 在pom文件中引入
<dependency>
<groupId>org.kabeja</groupId>
<artifactId>kabeja</artifactId>
<version>0.4</version>
</dependency>
代码测试
package com.example.gdal;
import org.kabeja.dxf.*;
import org.kabeja.parser.ParseException;
import org.kabeja.parser.Parser;
import org.kabeja.parser.ParserBuilder;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Iterator;
import java.util.List;
public class ReadDxf {
public static void main(String[] args) throws FileNotFoundException, ParseException {
Parser dxfParser = ParserBuilder.createDefaultParser();
dxfParser.parse(new FileInputStream("C://Users/hanbo/Desktop/cad/color.dxf"), "UTF-8");//需要转换的dxf
DXFDocument doc = dxfParser.getDocument();
// System.out.println(doc.);
//遍历图层
Iterator iter= doc.getDXFLayerIterator();
while (iter.hasNext()){
DXFLayer dxfLayer = (DXFLayer)iter.next();
String layerName=dxfLayer.getName();
// System.out.println("读取图层"+layerName);
readEntity(dxfLayer);
}
readBlock(doc);
}
public static void readEntity(DXFLayer layer){
Iterator iter= layer.getDXFEntityTypeIterator();
while (iter.hasNext()){
String s=(String) iter.next();
// System.out.println(s);
getEntity(layer,s);
}
}
//读取block
public static void readBlock(DXFDocument doc){
Iterator iter= doc.getDXFBlockIterator();
while (iter.hasNext()){
DXFBlock s=(DXFBlock) iter.next();
// System.out.println(s.getName());
}
}
//读取图层下的实体
public static void getEntity(DXFLayer layer,String type){
List<DXFEntity> entities= layer.getDXFEntities(type);
for (int i = 0; i < entities.size(); i++) {
System.out.println(entities.get(i).getColor());
String color= DXFColor.getRGBString(entities.get(i).getColor());
System.out.println(color);
// System.out.println(entities.get(i).getID());
}
}
}
注意事项
解析出来的实体的颜色都是一个整数,不是rgb格式的,查询资料发现可以参考下表中数据
| 索引号 | R | G | B |
|---|---|---|---|
| 1 | 255 | 0 | 0 |
| 2 | 255 | 255 | 0 |
| 3 | 0 | 255 | 0 |
| 4 | 0 | 255 | 255 |
| 5 | 0 | 0 | 255 |
| 6 | 255 | 0 | 255 |
| 7 | 255 | 255 | 255 |
| 8 | 128 | 128 | 128 |
| 9 | 192 | 192 | 192 |
| 10 | 255 | 0 | 0 |
| 11 | 255 | 127 | 127 |
| 12 | 204 | 0 | 0 |
| 13 | 204 | 102 | 102 |
| 14 | 153 | 0 | 0 |
| 15 | 153 | 76 | 76 |
| 16 | 127 | 0 | 0 |
| 17 | 127 | 63 | 63 |
| 18 | 76 | 0 | 0 |
| 19 | 76 | 38 | 38 |
| 20 | 255 | 63 | 0 |
| 21 | 255 | 159 | 127 |
| 22 | 204 | 51 | 0 |
| 23 | 204 | 127 | 102 |
| 24 | 153 | 38 | 0 |
| 25 | 153 | 95 | 76 |
| 26 | 127 | 31 | 0 |
| 27 | 127 | 79 | 63 |
| 28 | 76 | 19 | 0 |
| 29 | 76 | 47 | 38 |
| 30 | 255 | 127 | 0 |
| 31 | 255 | 191 | 127 |
| 32 | 204 | 102 | 0 |
| 33 | 204 | 153 | 102 |
| 34 | 153 | 76 | 0 |
| 35 | 153 | 114 | 76 |
| 36 | 127 | 63 | 0 |
| 37 | 127 | 95 | 63 |
| 38 | 76 | 38 | 0 |
| 39 | 76 | 57 | 38 |
| 40 | 255 | 191 | 0 |
| 41 | 255 | 223 | 127 |
| 42 | 204 | 153 | 0 |
| 43 | 204 | 178 | 102 |
| 44 | 153 | 114 | 0 |
| 45 | 153 | 133 | 76 |
| 46 | 127 | 95 | 0 |
| 47 | 127 | 111 | 63 |
| 48 | 76 | 57 | 0 |
| 49 | 76 | 66 | 38 |
| 50 | 255 | 255 | 0 |
| 51 | 255 | 255 | 127 |
| 52 | 204 | 204 | 0 |
| 53 | 204 | 204 | 102 |
| 54 | 153 | 153 | 0 |
| 55 | 153 | 153 | 76 |
| 56 | 127 | 127 | 0 |
| 57 | 127 | 127 | 63 |
| 58 | 76 | 76 | 0 |
| 59 | 76 | 76 | 38 |
| 60 | 191 | 255 | 0 |
| 61 | 223 | 255 | 127 |
| 62 | 153 | 204 | 0 |
| 63 | 178 | 204 | 102 |
| 64 | 114 | 153 | 0 |
| 65 | 133 | 153 | 76 |
| 66 | 95 | 127 | 0 |
| 67 | 111 | 127 | 63 |
| 68 | 57 | 76 | 0 |
| 69 | 66 | 76 | 38 |
| 70 | 127 | 255 | 0 |
| 71 | 191 | 255 | 127 |
| 72 | 102 | 204 | 0 |
| 73 | 153 | 204 | 102 |
| 74 | 76 | 153 | 0 |
| 75 | 114 | 153 | 76 |
| 76 | 63 | 127 | 0 |
| 77 | 95 | 127 | 63 |
| 78 | 38 | 76 | 0 |
| 79 | 57 | 76 | 38 |
| 80 | 63 | 255 | 0 |
| 81 | 159 | 255 | 127 |
| 82 | 51 | 204 | 0 |
| 83 | 127 | 204 | 102 |
| 84 | 38 | 153 | 0 |
| 85 | 95 | 153 | 76 |
| 86 | 31 | 127 | 0 |
| 87 | 79 | 127 | 63 |
| 88 | 19 | 76 | 0 |
| 89 | 47 | 76 | 38 |
| 90 | 0 | 255 | 0 |
| 91 | 127 | 255 | 127 |
| 92 | 0 | 204 | 0 |
| 93 | 102 | 204 | 102 |
| 94 | 0 | 153 | 0 |
| 95 | 76 | 153 | 76 |
| 96 | 0 | 127 | 0 |
| 97 | 63 | 127 | 63 |
| 98 | 0 | 76 | 0 |
| 99 | 38 | 76 | 38 |
| 100 | 0 | 255 | 63 |
| 101 | 127 | 255 | 159 |
| 102 | 0 | 204 | 51 |
| 103 | 102 | 204 | 127 |
| 104 | 0 | 153 | 38 |
| 105 | 76 | 153 | 95 |
| 106 | 0 | 127 | 31 |
| 107 | 63 | 127 | 79 |
| 108 | 0 | 76 | 19 |
| 109 | 38 | 76 | 47 |
| 110 | 0 | 255 | 127 |
| 111 | 127 | 255 | 191 |
| 112 | 0 | 204 | 102 |
| 113 | 102 | 204 | 153 |
| 114 | 0 | 153 | 76 |
| 115 | 76 | 153 | 114 |
| 116 | 0 | 127 | 63 |
| 117 | 63 | 127 | 95 |
| 118 | 0 | 76 | 38 |
| 119 | 38 | 76 | 57 |
| 120 | 0 | 255 | 191 |
| 121 | 127 | 255 | 223 |
| 122 | 0 | 204 | 153 |
| 123 | 102 | 204 | 178 |
| 124 | 0 | 153 | 114 |
| 125 | 76 | 153 | 133 |
| 126 | 0 | 127 | 95 |
| 127 | 63 | 127 | 111 |
| 128 | 0 | 76 | 57 |
| 129 | 38 | 76 | 66 |
| 130 | 0 | 255 | 255 |
| 131 | 127 | 255 | 255 |
| 132 | 0 | 204 | 204 |
| 133 | 102 | 204 | 204 |
| 134 | 0 | 153 | 153 |
| 135 | 76 | 153 | 153 |
| 136 | 0 | 127 | 127 |
| 137 | 63 | 127 | 127 |
| 138 | 0 | 76 | 76 |
| 139 | 38 | 76 | 76 |
| 140 | 0 | 191 | 255 |
| 141 | 127 | 223 | 255 |
| 142 | 0 | 153 | 204 |
| 143 | 102 | 178 | 204 |
| 144 | 0 | 114 | 153 |
| 145 | 76 | 133 | 153 |
| 146 | 0 | 95 | 127 |
| 147 | 63 | 111 | 127 |
| 148 | 0 | 57 | 76 |
| 149 | 38 | 66 | 76 |
| 150 | 0 | 127 | 255 |
| 151 | 127 | 191 | 255 |
| 152 | 0 | 102 | 204 |
| 153 | 102 | 153 | 204 |
| 154 | 0 | 76 | 153 |
| 155 | 76 | 114 | 153 |
| 156 | 0 | 63 | 127 |
| 157 | 63 | 95 | 127 |
| 158 | 0 | 38 | 76 |
| 159 | 38 | 57 | 76 |
| 160 | 0 | 63 | 255 |
| 161 | 127 | 159 | 255 |
| 162 | 0 | 51 | 204 |
| 163 | 102 | 127 | 204 |
| 164 | 0 | 38 | 153 |
| 165 | 76 | 95 | 153 |
| 166 | 0 | 31 | 127 |
| 167 | 63 | 79 | 127 |
| 168 | 0 | 19 | 76 |
| 169 | 38 | 47 | 76 |
| 170 | 0 | 0 | 255 |
| 171 | 127 | 127 | 255 |
| 172 | 0 | 0 | 204 |
| 173 | 102 | 102 | 204 |
| 174 | 0 | 0 | 153 |
| 175 | 76 | 76 | 153 |
| 176 | 0 | 0 | 127 |
| 177 | 63 | 63 | 127 |
| 178 | 0 | 0 | 76 |
| 179 | 38 | 38 | 76 |
| 180 | 63 | 0 | 255 |
| 181 | 159 | 127 | 255 |
| 182 | 51 | 0 | 204 |
| 183 | 127 | 102 | 204 |
| 184 | 38 | 0 | 153 |
| 185 | 95 | 76 | 153 |
| 186 | 31 | 0 | 127 |
| 187 | 79 | 63 | 127 |
| 188 | 19 | 0 | 76 |
| 189 | 47 | 38 | 76 |
| 190 | 127 | 0 | 255 |
| 191 | 191 | 127 | 255 |
| 192 | 102 | 0 | 204 |
| 193 | 153 | 102 | 204 |
| 194 | 76 | 0 | 153 |
| 195 | 114 | 76 | 153 |
| 196 | 63 | 0 | 127 |
| 197 | 95 | 63 | 127 |
| 198 | 38 | 0 | 76 |
| 199 | 57 | 38 | 76 |
| 200 | 191 | 0 | 255 |
| 201 | 223 | 127 | 255 |
| 202 | 153 | 0 | 204 |
| 203 | 178 | 102 | 204 |
| 204 | 114 | 0 | 153 |
| 205 | 133 | 76 | 153 |
| 206 | 95 | 0 | 127 |
| 207 | 111 | 63 | 127 |
| 208 | 57 | 0 | 76 |
| 209 | 66 | 38 | 76 |
| 210 | 255 | 0 | 255 |
| 211 | 255 | 127 | 255 |
| 212 | 204 | 0 | 204 |
| 213 | 204 | 102 | 204 |
| 214 | 153 | 0 | 153 |
| 215 | 153 | 76 | 153 |
| 216 | 127 | 0 | 127 |
| 217 | 127 | 63 | 127 |
| 218 | 76 | 0 | 76 |
| 219 | 76 | 38 | 76 |
| 220 | 255 | 0 | 191 |
| 221 | 255 | 127 | 223 |
| 222 | 204 | 0 | 153 |
| 223 | 204 | 102 | 178 |
| 224 | 153 | 0 | 114 |
| 225 | 153 | 76 | 133 |
| 226 | 127 | 0 | 95 |
| 227 | 127 | 63 | 111 |
| 228 | 76 | 0 | 57 |
| 229 | 76 | 38 | 66 |
| 230 | 255 | 0 | 127 |
| 231 | 255 | 127 | 191 |
| 232 | 204 | 0 | 102 |
| 233 | 204 | 102 | 153 |
| 234 | 153 | 0 | 76 |
| 235 | 153 | 76 | 114 |
| 236 | 127 | 0 | 63 |
| 237 | 127 | 63 | 95 |
| 238 | 76 | 0 | 38 |
| 239 | 76 | 38 | 57 |
| 240 | 255 | 0 | 63 |
| 241 | 255 | 127 | 159 |
| 242 | 204 | 0 | 51 |
| 243 | 204 | 102 | 127 |
| 244 | 153 | 0 | 38 |
| 245 | 153 | 76 | 95 |
| 246 | 127 | 0 | 31 |
| 247 | 127 | 63 | 79 |
| 248 | 76 | 0 | 19 |
| 249 | 76 | 38 | 47 |
| 250 | 51 | 51 | 51 |
| 251 | 91 | 91 | 91 |
| 252 | 132 | 132 | 132 |
| 253 | 173 | 173 | 173 |
| 254 | 214 | 214 | 214 |
| 255 | 255 | 255 | 255 |
| 255 | 255 | 255 | 255 |








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